Seat support for a chair



FIG. 1 is a perspective view of a seat support for a chair, showing mynew design;

FIG. 2 is a front elevational view;

FIG. 3 is a top plan view;

FIG. 4 is a rear elevational view;

FIG. 5 is a side elevational view, the opposite side being a mirrorimage thereof; and,

FIG. 6 is a bottom plan view.

The ornamental design for a seat support for a chair, as shown and described. 